Feature:_x000D_ _x000D_ The product is made of high quality metal and has high hardness. It is suitable for long-term use and will not affect the accuracy of the work. _x000D_ Extended straight shank type handle, with longer handle body. _x000D_ Suitable for deep hole processing, to solve extend depth of processing need. _x000D_ For reducing the using of extended cutting tool, reduce the cost of processing, increase efficiency _x000D_ Various details of the product are carefully handled to ensure the stability and accuracy of the product. _x000D_ The extension rod diameter and other part all through precision grinding, eliminate unbalance, to increase security when cutting. _x000D_ _x000D_ Specification:_x000D_ Model: C3/4 ER20A-50L_x000D_ Rod length: 50mm_x000D_ _x000D_ Chuck rod diameter: 3/4 _x000D_ Clamping range: 1-13mm _x000D_ _x000D_ Package list:_x000D_ 1 * Chuck Holder_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product.